CVE-2026-16979

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-08-19. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin before 3.16.3 does not perform capability checks on two of its AJAX actions, allowing users with at least the Subscriber role to read the titles of private and draft posts by ID and to enumerate stored post-meta key names.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

SmartCrawl < 3.16.3 – Subscriber+ Private/Draft Post Title Disclosure and Post Meta Key Enumeration | CVE 2026-16979 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/c9eb27aa-c5f9-4f1c-b87c-337ebaf192dd/

Vendor Advisories for CVE-2026-16979(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 73× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-20 01:59 UTCEG score recompute
  2. 2026-09-20 01:59 UTCGHSA enrichment
  3. 2026-09-19 00:02 UTCEG score recompute
  4. 2026-09-19 00:02 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-17 22:05 UTCEG score recompute
  7. 2026-09-17 22:05 UTCGHSA enrichment
  8. 2026-09-16 20:08 UTCEG score recompute
  9. 2026-09-16 20:08 UTCGHSA enrichment
  10. 2026-09-16 14:07 UTCEPSS rescore
  11. 2026-09-16 05:14 UTCEPSS rescore
  12. 2026-09-15 14:44 UTCEG score recompute
  13. 2026-09-15 14:44 UTCGHSA enrichment
  14. 2026-09-14 12:47 UTCEG score recompute
  15. 2026-09-14 12:47 UTCGHSA enrichment
  16. 2026-09-13 16:46 UTCEPSS rescore
  17. 2026-09-13 10:34 UTCEG score recompute
  18. 2026-09-13 10:34 UTCGHSA enrichment
  19. 2026-09-12 15:00 UTCEPSS rescore
  20. 2026-09-12 08:35 UTCEG score recompute
  21. 2026-09-12 08:35 UTCGHSA enrichment
  22. 2026-09-11 14:52 UTCEPSS rescore
  23. 2026-09-11 09:36 UTCEPSS rescore
  24. 2026-09-11 06:38 UTCEG score recompute
  25. 2026-09-11 06:38 UTCGHSA enrichment
Show 62 more
  1. 2026-09-10 09:34 UTCEPSS rescore
  2. 2026-09-10 04:41 UTCGHSA enrichment
  3. 2026-09-09 02:44 UTCEG score recompute
  4. 2026-09-09 02:44 UTCGHSA enrichment
  5. 2026-09-08 22:00 UTCEPSS rescore
  6. 2026-09-07 20:19 UTCEG score recompute
  7. 2026-09-07 20:19 UTCGHSA enrichment
  8. 2026-09-07 16:01 UTCEPSS rescore
  9. 2026-09-06 18:23 UTCEG score recompute
  10. 2026-09-06 18:23 UTCGHSA enrichment
  11. 2026-09-06 13:47 UTCEPSS rescore
  12. 2026-09-05 16:26 UTCEG score recompute
  13. 2026-09-05 16:26 UTCGHSA enrichment
  14. 2026-09-04 14:28 UTCEG score recompute
  15. 2026-09-04 14:28 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-03 12:30 UTCEG score recompute
  18. 2026-09-03 12:30 UTCGHSA enrichment
  19. 2026-09-02 14:11 UTCEPSS rescore
  20. 2026-09-02 10:32 UTCEG score recompute
  21. 2026-09-02 10:32 UTCGHSA enrichment
  22. 2026-09-01 13:53 UTCEPSS rescore
  23. 2026-09-01 08:27 UTCEG score recompute
  24. 2026-09-01 08:26 UTCGHSA enrichment
  25. 2026-09-01 04:39 UTCEPSS rescore
  26. 2026-08-31 06:29 UTCEG score recompute
  27. 2026-08-31 06:29 UTCGHSA enrichment
  28. 2026-08-30 19:17 UTCEPSS rescore
  29. 2026-08-30 04:32 UTCEG score recompute
  30. 2026-08-30 04:32 UTCGHSA enrichment
  31. 2026-08-30 01:22 UTCEPSS rescore
  32. 2026-08-29 02:35 UTCEG score recompute
  33. 2026-08-29 02:35 UTCGHSA enrichment
  34. 2026-08-28 21:41 UTCEPSS rescore
  35. 2026-08-27 19:13 UTCGHSA enrichment
  36. 2026-08-26 16:54 UTCEG score recompute
  37. 2026-08-26 16:54 UTCGHSA enrichment
  38. 2026-08-26 14:46 UTCEPSS rescore
  39. 2026-08-26 06:07 UTCEG score recompute
  40. 2026-08-26 06:07 UTCGHSA enrichment
  41. 2026-08-25 13:48 UTCEPSS rescore
  42. 2026-08-25 04:08 UTCEG score recompute
  43. 2026-08-25 04:08 UTCGHSA enrichment
  44. 2026-08-24 02:11 UTCEG score recompute
  45. 2026-08-24 02:11 UTCGHSA enrichment
  46. 2026-08-23 00:19 UTCEPSS rescore
  47. 2026-08-23 00:10 UTCEG score recompute
  48. 2026-08-23 00:10 UTCGHSA enrichment
  49. 2026-08-21 23:49 UTCEPSS rescore
  50. 2026-08-21 22:12 UTCEG score recompute
  51. 2026-08-21 22:12 UTCGHSA enrichment
  52. 2026-08-20 22:55 UTCEPSS rescore
  53. 2026-08-20 20:15 UTCEG score recompute
  54. 2026-08-20 20:15 UTCGHSA enrichment
  55. 2026-08-19 18:18 UTCGHSA enrichment
  56. 2026-08-19 18:13 UTCEG score recompute▲ 4.30
  57. 2026-08-19 18:13 UTCGHSA enrichment
  58. 2026-08-19 18:12 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  59. 2026-08-19 17:03 UTCEPSS rescore
  60. 2026-08-19 06:21 UTCNVD update
  61. 2026-08-19 06:17 UTCEG score recompute
  62. 2026-08-19 06:17 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16979?
CVE-2026-16979 is a medium vulnerability published on August 19, 2026. The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin before 3.16.3 does not perform capability checks on two of its AJAX actions, allowing users with at least the Subscriber role to read the titles of private and draft posts by ID and to enumerate stored post-meta key names.
When was CVE-2026-16979 disclosed?
CVE-2026-16979 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16979 actively exploited?
CVE-2026-16979 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 90.3% of all scored CVEs.
What is the CVSS score of CVE-2026-16979?
CVE-2026-16979 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16979?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16979, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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